package day2;

/**
 * @author oldliu
 * @since 1.0
 */
public class DoubleTest {
    public static void main(String[] args) {
        String s=Double.toHexString(44.5);
        System.out.println(s);
        double s2=4.5/0.0;
        System.out.println(s2);
    }
}
